Maths Challenge is a fun activity to build mathematical and reasoning skills. Each month during the school year, a new set of math problems are posted online. There are miscellaneous problems at junior and senior levels, cryptography and code breaking problems, and computer programming challenges. Each section is appropriate for a different age range, but the most basic material starts at age eleven and increases from there. To participate in the programming exercises, a simple registration is required to keep track of each user's progress. There are initially three beginning level problems, but new levels are unlocked as previous ones are completed.